Mohammed Aslam Thangal

# Creating operations & maintenance plan and involved in safe start-up and shutdown of the plant.
# Planning & implementing the preventive & predictive maintenance schedules for improving the overall reliability and safety of plant equipment & machinery.
# Reviewing history records of key machines for repeated breakdowns to analysis and carrying out necessary corrective actions; handling various emergency conditions and black outs in the plant.
# Working on projects expansion, modernization, installation and commissioning of machinery.
# Managing activities right from the conceptualization stage to the execution; involving finalization of technical specifications, scheduling, progress monitoring, erection, installation & commissioning.
# Conducting tests & inspections to ensure operational effectiveness of utilities.
# Monitoring adherence to ISO quality standards and maintaining requisite documents.
# Implementing quality systems in the organisation to reduce rejections & ensure zero defect products

December 2006 - NOV 2007 Fitter-National Petroleum Construction Company (NPCC), Abu Dhabi

Key Deliverables: In Air Separation Unit (60TPD LOX / 74TPD LIN / 2TPD LAR):
• Monitoring process parameters and control within defined limits and taking the necessary corrective action in case of emergencies or equipment breakdown to ensure the uninterrupted operation.
• Controlling fractionating columns, compressors, purifying towers, heat exchangers and related equipment to extract nitrogen and oxygen from air for industrial and therapeutic use.
• Adjusting the valves in specified sequence to control flow of air through series of units that compress and liquefy it, remove carbon dioxide and impurities, and separate resulting product into nitrogen and oxygen.
• Efficiently operating of Hydrogen plant (Electrolysis)
• Involved in overhaul and preventive maintenance of turbo machineries including Centrifugal Compressor, Expansion Turbine, etc.
• Carrying out dismantle and assemble of Centrifugal Compressor (MAC, RAC) and expansion turbine unit such as Suction Casing, Spiral Casing, IGV Unit, Gearbox, Coupling, Diffuser, Rotor, Impellers, Gears, Bearings, Oil and Buffer Seals, Oil Cooler, Gas Cooler, Oil Filter, etc.
• Performing operation of Cryogenic Pumps & Cryogenic Liquid Storage as well as handling, loading and unloading of cryogenic products into bulk transports.
• Managing Cooling Towers and Water Treatment Plants (Reverse Osmosis)
• Maintaining quality of the Cooling Water for the required TDS (Blow down Process), pH, Hardness, Temperatures & Phosphate level by adding chemicals like Inhibitor, Deposritol, Spectrus, etc. in an appropriate ratio.
• Analyzing Air Constituents such as Nitrogen, Oxygen, Argon, Moisture Level, etc. by using various Teledyne Analytical Instruments.
• Observes pressure, temperature, level, and flow gauges to ensure standard operation.
• Tests oxygen for purity and moisture content at various stages of process, using Analytical Instruments and moisture meter.
• Adjusts equipment according to test results and knowledge of process and equipment.
• Opens valves to transfer liquid or gaseous oxygen through heat exchanger to cool air, to heat and vaporize liquid oxygen, and to store gaseous or liquid oxygen in storage tanks at specified temperature and pressure
• Cleans and repairs equipment, such as replacing defective valves and removing carbon from valves, using hand tools and air hose.
• Records gauge readings and test results.
• Clean and refill drier with activated alumina.


In Nitrogen Liquefaction Unit (120TPD LIN): • Carrying out all operations pertaining to Nitrogen Liquefaction Unit as tactful startup, smooth running and shutdown of the plant.
• Observing the pressure, temperature, level and flow parameters to ensure standard operation.
• Handling day to day troubleshooting of the plant and running the plant as per production basis.
• Analyzing breakdowns and working to achieve zero breakdowns.
• Involved in overhaul preventive maintenance of multistage Centrifugal Compressor including Combined Feed & Recycle compressor.